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Reaction control system
 | This article needs additional citations for verification. (September 2014) |
A reaction control system (RCS) is a spacecraft system that uses thrusters to provide attitude control and translation. Alternatively, reaction wheels can be used for attitude control. Use of diverted engine thrust to provide stable attitude control of a short-or-vertical takeoff and landing aircraft below conventional winged flight speeds, such as with the Harrier "jump jet", may also be referred to as a reaction control system.[1]
Reaction control systems are capable of providing small amounts of thrust in any desired direction or combination of directions. An RCS is also capable of providing torque to allow control of rotation (roll, pitch, and yaw).[2]
Reaction control systems often use combinations of large and small (vernier) thrusters, to allow different levels of response.
- ^ ""What is RCS?" by NASA in a PDF file" (PDF).
- ^ "REACTION CONTROL SYSTEM". science.ksc.nasa.gov.
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